THE ERA of nuclear arms control officially ends this week. On Feb. 5, New START*, the last such treaty between the United States and Russia, will expire.

AS A FORMER supreme allied commander of the North Atlantic Treaty Organization (NATO), I never contemplated the idea of the US leaving the world’s most vital security alliance. But the crisis over Greenland’s sovereignty of the last two weeks has me thinking seriously about what NATO would look like without its most important member.

ONE frustrating characteristic of the AI boom seems to be that everyone must pay for it, regardless of any interest in using it. For some, it will be through rising utility bills as data centers strain the grid. For even more of us, it will be increasing costs of just about every electronic product you can think of: laptops, smartphones, televisions — perhaps even cars.

ON SATURDAY MORNING, Border Patrol agents fatally shot Alex Pretti on a busy Minneapolis street. The Trump administration wasted no time in doing a bit of preemptive inoculation.

POLITICS in Asia is getting funnier, but the punchlines are falling flat.

AN ADMIRAL writes of a world leader who is familiar to us: “He is vanity itself, sacrificing everything to his own moods and childish amusements, and nobody checks him in doing so. I ask myself how people with blood rather than water in their veins can bear to be around him.”

WHEN HE RAN for president in 2016, former Florida Governor Jeb Bush said Donald Trump is “a chaos candidate” who will be “a chaos president.” Bush was prescient. Yet what we didn’t know at the time was that the turmoil unleashed during Trump’s first term leading the US from 2017 through 2020 would be just a preview of the chaos that has marked his year-old second term.

The Philippines sold $2.75 billion of dollar bonds Tuesday, braving rocky markets after fresh tensions between the US and Europe along with a selloff...

ARTIFICIAL INTELLIGENCE (AI) chip designer FuriosaAI is seeking to raise as much as $500 million in a funding round before an initial public offering...

WHAT’S THE MOST important commodity for modern civilization? There’s a good argument that it’s not the ones we think about — oil, gas, copper, iron ore, gold — but something that’s ubiquitous and rarely grabs the attention of financial markets: concrete.

(UPDATE) The Philippines started marketing its first dollar notes in a year, braving rocky markets after President Donald Trump’s revival of the trade war...

NETFLIX, INC. obtained global streaming rights to Sony Group Corp.’s films after they complete their run in theaters and pay-per-view, adding releases from one...